Alkaline Oxidant Reduction Potential ORP inline 10"x2" filter, upgrade your Reverse Osmosis Reduce water Oxidant Reduction Potential to --150mv~-300mv Service life: 6-12 months or 1300 gallons Significantly decrease bodys inner free radicals Accelerate metabolism and boost up immunity of human body Comes with 2 of 1/4" elbow fitting, 2 small/small clips, 2 tubing